Lestrade: Falls in love too fast. Knows he falls in love too fast. Is hampered sometimes by simultaneously trying to make sure you have a good time and trying to make sure he doesn't make a fool of himself by expanding two good nights into a lifetime of true love.

True love eventually has to come and whack him over the head.

Oh, man, the idea of Ridcully! What a horror. He'd insist on all sorts of athletic exertions. He'd like super-early-morning sex -- wake you at the crack of dawn for a position that resembled squat-thrusts, followed by a nice ten-mile march through the countryside before breakfast.